7ed5/4: Difference between revisions
Created page with "'''7ED5/4''' is the equal division of the just major third into seven parts of 55.1877 cents each, corresponding to every fourth step of..." |
No edit summary |
||
Line 1: | Line 1: | ||
'''7ED5/4''' is the [[Equal-step tuning|equal division]] of the [[5/4|just major third]] into seven parts of 55.1877 [[cent|cents]] each, corresponding to every fourth step of [[87edo]]. It is related to the 5-limit temperament which tempers out |234 -7 -96> (0.198463 cents, 5-limit 1783&7980 comma). | '''7ED5/4''' is the [[Equal-step tuning|equal division]] of the [[5/4|just major third]] into seven parts of 55.1877 [[cent|cents]] each, corresponding to every fourth step of [[87edo]]. It is related to the [[Hemifamity temperaments|alphaquarter temperament]] and the 5-limit temperament which tempers out |234 -7 -96> (0.198463 cents, 5-limit 1783&7980 comma). | ||
==Intervals== | ==Intervals== | ||
Line 376: | Line 376: | ||
| | (5/4)<font style="vertical-align:super;font-size:0.8em;">13</font> = 1220703125/67108864 | | | (5/4)<font style="vertical-align:super;font-size:0.8em;">13</font> = 1220703125/67108864 | ||
|} | |} | ||
==7ED5/4 as a generator== | |||
===Alphaquarter=== | |||
7ED5/4 leads the alphaquarter temperament using its three steps for [[11/10]], its nine steps for [[4/3]], and its 61 steps for [[7/1]]. Alphaquarter tempers out 3025/3024, 4000/3993, and 5120/5103 in the 11-limit, supported by [[87edo]], [[152edo]], [[239edo]], and [[391edo]]. | |||
===1783&7980 temperament=== | |||
7ED5/4 leads 1783&7980 temperament using its 96 steps for 64/3 (four octaves plus just perefect fourth). | |||
Comma: |234 -7 -96> | |||
POTE generator: 55.188 | |||
Map: [<1 6 2|, <0 -96 7|] | |||
EDOs: [[1783edo|1783]], 4414, 6197, [[7980edo|7980]], 9763, 11546, 14177 | |||
Badness: 0.1157 | |||
[[Category:5/4]] | [[Category:5/4]] | ||
[[Category:Equal-step tuning]] | [[Category:Equal-step tuning]] | ||
[[Category:Edonoi]] | [[Category:Edonoi]] |